Quality-Built 12123 Remanufactured QB Premium Alternator

The Quality-Built 12123 is a remanufactured QB Premium alternator engineered to meet or exceed original equipment (OE) voltage and amperage specifications. Manufactured by Motor Car Parts of America (MPA), one of the industry's leading remanufacturers of automotive charging components, this alternator is built to restore reliable power delivery to your vehicle's electrical system.

Unlike standard rebuilt units that may reuse worn components, the QB Premium remanufacturing process replaces every part prone to normal wear with new components — regardless of the condition of the original part. Each completed unit undergoes 100% end-of-line load testing across a full range of operating requirements before leaving the facility.

Key Features:

• Remanufactured to meet or exceed OE fit and performance specifications
• 100% end-of-line tested on proprietary load-based testers
• New lead-free premium brushes for optimum conductivity and long service life
• 100% new premium sealed bearings for increased durability and reduced heat
• Rotors electronically tested and sealed with high-dielectric insulation coating
• Stators electronically tested for phase balance and maximum insulation quality
• Rectifiers 100% load tested for alternator durability and charging performance
• Housings blast-cleaned; all mounting threads inspected and re-tapped for easy installation
• OE-quality terminals with high-temp insulators for secure, reliable connections
• Pulleys plated or powder coated for maximum corrosion protection
• Manufactured in ISO/TS 16949 certified facilities using lean cell manufacturing principles
• Backed by Quality-Built's roadside assistance warranty program

Quality-Built alternators are manufactured under strict QS-9000 quality guidelines and are the preferred choice of professional installers and DIY enthusiasts who demand dependable charging system performance.